package com.itqf.service;

import com.itqf.vo.R;

import java.sql.SQLException;

/**
 * projectName: gpshop
 *
 * @author: 赵伟风
 * time: 2021/7/22 14:56
 * description:
 */
public interface CategoryService {

    /**
     * 查询所有类别的业务方法
     * @return
     */
    R findAll() throws SQLException;
}
